California Digital Library
by
Skinner, William Woolford, 1874-; Stiles, George Whitfield, 1877-
Circular (United States. Dept. of Agriculture)
by
Stiles, George Whitfield, 1877-; United States. Bureau of Animal Industry
Bulletin (United States. Division of Chemistry)
by
Skinner, W. W. (William Woolford), b. 1874; Stiles, George Whitfield, 1877-
Bulletin (United States. Division of Chemistry)
by
Stiles, George Whitfield, 1877-; United States. Bureau of Chemistry; United States. Department of Agriculture
Bulletin (United States. Division of Chemistry)
by
Stiles, George Whitfield, 1877-; Bates, Carleton, joint author; United States. Bureau of Chemistry; United States. Department of Agriculture
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